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Finding the Fourth Proportional to 539,598.27, 744,651.65 and 297,880.97

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Solution

The fourth proportional to 539,598.27, 744,651.65 and 297,880.97 is: 411,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,598.27 : 744,651.65 = 297,880.97 : x
  2. Step 2: Convert to fraction form
    539,598.27/744,651.65 = 297,880.97/x
  3. Step 3: Cross multiply
    539,598.27x = 744,651.65 × 297,880.97
  4. Step 4: Simplify right side
    539,598.27x = 221,817,554,324.70
  5. Step 5: Solve for x
    x = 221,817,554,324.70/539,598.27
  6. Step 6: Final answer
    x = 411,079.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.